simpleViewer.cc

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//=============================================================================
//
//  CLASS SimpleViewer - IMPLEMENTATION
//
//=============================================================================
 
//== INCLUDES =================================================================
 
#include <OpenFlipper/common/GlobalOptions.hh>
#include <OpenFlipper/BasePlugin/PluginFunctions.hh>
#include <OpenFlipper/widgets/glWidget/QtBaseViewer.hh>
#include <ACG/Scenegraph/SceneGraphAnalysis.hh>
#include "simpleGLGraphicsScene.hh"
 
 
#include "simpleViewer.hh"
 
#include <QOpenGLWidget>
 
 
//== NAMESPACES ===============================================================
 
 
//== CLASS DEFINITION =========================================================
 
 
SimpleViewer::SimpleViewer(QWidget* _parent, bool useDefaultSceneGraph) :
  QGraphicsView (_parent),
  props_(-1),
  actionMode_ (Viewer::ExamineMode)
{
  OFGLWidget *share = PluginFunctions::shareGLWidget (); 
  if (!share)
    initialize (OFGLFormat::defaultFormat (), 0, useDefaultSceneGraph);
  else
    initialize (share->format(), share, useDefaultSceneGraph);
}
 
SimpleViewer::~SimpleViewer()
{
}
 
void SimpleViewer::resizeEvent(QResizeEvent *_event) {
  QGraphicsView::resizeEvent(_event);
  if (scene())
  {
    scene()->setSceneRect(QRect(QPoint(0, 0), _event->size()));
    mainWidget_->setGeometry (QRect(QPoint(0, 0), _event->size()));
  }
  
}
 
 
//=============================================================================
//=============================================================================
 
void SimpleViewer::initialize(const OFGLFormat & _format, OFGLWidget *_shareWidget, bool useDefaultSceneGraph)
{
 
  connect (&props_, SIGNAL( getPickMode(std::string&) ),
           this, SLOT( getPickMode(std::string&) ),Qt::DirectConnection );
  connect (&props_, SIGNAL( getActionMode(Viewer::ActionMode&) ),
           this, SLOT( getActionMode(Viewer::ActionMode&) ),Qt::DirectConnection );
  connect (&props_, SIGNAL( setActionMode(const Viewer::ActionMode) ),
           this, SLOT( setActionMode(const Viewer::ActionMode)), Qt::DirectConnection );
 
  glWidget_ = new OFGLWidget();
  glWidget_->setFormat(_format);
 
  setFocusPolicy (Qt::StrongFocus);
  setAcceptDrops (true);
  setViewport(glWidget_);
  setViewportUpdateMode(QGraphicsView::FullViewportUpdate);
 
  scene_ = new SimpleGLGraphicsScene ();
 
  setScene (scene_);
 
  mainWidget_ = new glViewer (scene_, glWidget_, props_);
 
  scene_->addItem (mainWidget_);
  scene_->setView (mainWidget_);
  mainWidget_->setGeometry (QRect(QPoint(0, 0), size()));
  setFrameStyle(QFrame::NoFrame);
 
  if (useDefaultSceneGraph)
      setSceneGraph(PluginFunctions::getSceneGraphRootNode());
 
  props_.drawMode (OpenFlipper::Options::defaultDrawMode(0));
}
 
void SimpleViewer::setSceneGraph(ACG::SceneGraph::BaseNode *rootNode) {
    unsigned int maxPases = 1;
    ACG::Vec3d bbmin,bbmax;
    ACG::SceneGraph::analyzeSceneGraph(rootNode, maxPases, bbmin, bbmax);
 
    mainWidget_->sceneGraph(rootNode, maxPases, bbmin, bbmax, true);
}
 
void SimpleViewer::setActionMode(const Viewer::ActionMode _am)
{
  actionMode_ = _am;
}
 
void SimpleViewer::getActionMode(Viewer::ActionMode & _am)
{
  _am = actionMode_;
}
 
void SimpleViewer::getPickMode(std::string & _name)
{
  _name = "SimpleViewer";
}
 
Viewer::ViewerProperties & SimpleViewer::properties()
{
  return props_;
}
 
glViewer * SimpleViewer::viewer()
{
  return mainWidget_;
}